András Kosztyu Email & Phone Number

Hungary

Budapest

- Current partnerships: CYBER.BIO, pentesthero.io, Davinsi Labs, Atlan Digital Limited- Limited company offering security services, including vulnerability and penetration testing, architectural reviews and security hardening- Currently mainly operates to handle outsourced assignments, with a team of 5 pentest experts

- Partnership delivering IT system architect and security services for micro and small-sized enterprises, including implementation and maintenanceNotable side projects- 2010 Created a public VPN service, offering network access for those with restricted internet- 2008 Created a seedbox service with the rise of the torrent

Budapest, Hungary

- Responsible for the red team activities in the business transformation programs (Bridge)

Budapest, Hungary

Budapest

- 2019 Member of the team responsible for organizing and executing the IT security aspects of the M&A between Vodafone Hungary and UPC Hungary

Budapest

Brussels Area, Belgium

- 2018 Mobile application testing for multiple large banks- 2017-2018 Internal penetration and web application testing for a large Belgian bank, including development of custom tools to streamline and automatize testing process- 2017 Development of Splunk/Python-based tool for large scale DDoS tests

Budapest

- Specialist in internal network and web application penetration testing - Over 200 projects since 2012 in great diversity of clients and assignments - Clients included financial and banking, insurance, energy, gambling and service Notable assignments2017 Internal penetration and web application testing, and configuration review team leader at a national energy company2016 Red team co-leader at a national bank, internal and external penetration testing and social engineering field leader, my special focus was breaking the critical (isolated) network perimeters, designing the technical social engineering attacks (including large no. of 3D printed BadUSB), and compromising WiFi users2016 DDoS testing team leader at a national bank, my special focus was procedurally creating and harmonizing hundreds of AWS machines2016 Internal penetration testing team leader at an international manufacturer and a financial company, my special focus was Windows environment exploitation and escalation2016 Internal penetration testing and security review team member at the national airport, my special focus was Mikrotik routers' security, Cisco WiFi and IPsec hardening 2015 Multiple security review and web application testing team leader at a Dutch bank2015 Configuration review and hardening (MySQL, Apache, WebLogic, RedHat, Windows 2012R2) team leader at a clearing company2014 Internal and SAP penetration testing team member at a national bank2014 Internal penetration testing and virtualized environment (VMware) security review team member at a Dutch bank and its national subsidiary2013 Security review and web application testing team member at a Dutch bank2013 Internal penetration and web application testing team member at the national postal service, my special focus was breaking and misusing API controls2012 External penetration and web application testing team member at a Portugal bank2012 Internal penetration testing team member at a financial clearing company

Offensive Security Certified Professional (Oscp)

Ba, International Business Relations

Dissertation: "Comparison of wireless internet providing environments and the possibilities of introducing a new provider in Romania"

Minor, European Studies

Network Security

Astronomy

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